Analysis
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max time kernel
58s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
25-05-2024 03:57
Behavioral task
behavioral1
Sample
d6bcbd5a7d40b5ea452d7c354cf76ccff216f34adf0fd978dee98e0f5fbb4177.doc
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
d6bcbd5a7d40b5ea452d7c354cf76ccff216f34adf0fd978dee98e0f5fbb4177.doc
Resource
win10v2004-20240508-en
General
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Target
d6bcbd5a7d40b5ea452d7c354cf76ccff216f34adf0fd978dee98e0f5fbb4177.doc
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Size
32KB
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MD5
fa4b32613da42ec002edba09aeda983b
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SHA1
da0eb711e7b8c671bcf992a89c090d0b99d15287
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SHA256
d6bcbd5a7d40b5ea452d7c354cf76ccff216f34adf0fd978dee98e0f5fbb4177
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SHA512
68999003c9d47c1fd3ba1d9a3aaf89a2c188853753311a7330206be24a0c0f7d7e8d738bb50b51c1dfbe84cca72c8ec74766c7a63ad3e73795a2a4dda5d966f6
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SSDEEP
384:YQ+kiSJPw+QD1LbPLQYDZg9YJ50jhvstIkf:1A+kPzdOWDK0
Malware Config
Signatures
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Office loads VBA resources, possible macro or embedded object present
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Processes:
WINWORD.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 1680 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 1680 WINWORD.EXE 1680 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 1680 wrote to memory of 3028 1680 WINWORD.EXE splwow64.exe PID 1680 wrote to memory of 3028 1680 WINWORD.EXE splwow64.exe PID 1680 wrote to memory of 3028 1680 WINWORD.EXE splwow64.exe PID 1680 wrote to memory of 3028 1680 WINWORD.EXE splwow64.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\d6bcbd5a7d40b5ea452d7c354cf76ccff216f34adf0fd978dee98e0f5fbb4177.doc"1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:3028